(118 minute) Arundo Banks of Escondito near Eagle Pass. Apt 24/52. Brydow- Upper leaves 1" long, 1¼" wide at base; smooth below, slightly roughened above. Spikes ceps 3-4 lines long, ciliate, purplish elongated - 2 long 3-4" wide. Vascular 8-10' crest. Scabrous. Speculae 6¼" pale straw color. Smooth & shining above; 4 florent. Glumes nearly equal, 2 reed more or less cupped on the rims. Acuminate. The upper awns about longest & acuminate with pointed tips and almost equaling the flowers; flowers: except the uppermost perfect, lower paleas hyaline strongly 3 reed, alternate & fid at the apex. The mid rib prolonged into a short seta. Clothed below with aspires white near its own length; crushed at the base & partially inclining the upper palea which is about half as long as the lower. Scarmine. Pube present ciliate on the rims truncate at the apex & somewhat dentulate. Squamae 2 (3) fleshy. Styles 2 - Styges purple plumas with simple denticulate hairs, No note is made of the length of the plant - it be compared with a Doray- Dry like Doray Capensis her.